A block is moved from rest through a distance of 4 m along a straight-line path. The mass…
Physics · JEE Main · NTA Exams — Work, Energy and Power
A block is moved from rest through a distance of 4 m along a straight-line path. The mass of the block is 5 kg and the force acting on it is 20 N. If kinetic energy acquired by the block be 40 J, at what angle to the path is the force acting?
- 30o
- 60o
- 45o
- 0o
Answer
(B) 60 o
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